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Comparison of the Lightwriter and DynaWrite - September 2005

 

Which is best for me? A Lightwriter, a DynaWrite or both?

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Feature DynaWrite Lightwriter SL35 Lightwriter SL85
Product image (Not to Scale) DynaWrite - Click for more info SL35 - Click for more info SL85
Weight 1kg 0.88kg 0.9kg
Size 31cm x 23cm x 8cm 22.9cm x 13.3cm x 5.1cm 21.5cm x 14cm x 5cm
Battery Rechargeable 7.4V Lithium ion Rechargeable Ni-MH batteries Rechargeable Ni-MH batteries
Battery run time 8 hours continuous use 8 hours continuous use 8 hours continuous use
Recorded speech 1 hour none none
DECtalk synthetic voice 8 adult, 1 child's voice 8 adult, 1 child's voice 8 adult, 1 child's voice
VeriVox voice (More natural sounding voices) 2 adult, 1 child's voice No No
Other synthetic voice Spanish voice also available A range of other synthesisers are available, including several other languages A range of other synthesisers are available, including several other languages
Dual display (Some users like this as the listener can watch as they type and predict what they are going to say. Other users dislike this) No Two displays, one facing the user and one facing the communication partner Three displays, one facing the user and one facing the communication partner, and one large one for scanning
Liquid Crystal Display (LCD) with backlight Large display with text size up to 72 point Two small displays, one for the user and one for the communication partner each with 1cm high text One large display for scanning with 0.66cm high text and two communication displays with 1cm high text
Vacuum Fluorescent Display (VFD) (Text is brighter and usually easier to see but smaller) No Can be installed on either side or both sides and has 0.66cm high text Can be installed on either side or both sides and has 0.66cm high text
Maximum font size 1.6cm / 72 point font 1cm for LCD displays 0.66cm for VFD displays 0.66cm for scanning display or any VFD display installed 1cm for LCD display for communication partner
Memory Abbreviation expansion and flexible abbreviation available 36 memories of up to 250 characters, one memory for each letter and number keys. Abbreviation expansion also available 36 memories of up to 250 characters, one memory for each letter and number keys. Abbreviation expansion also available
Warranty One year with option of purchasing extra years One year One year
Calculator No Built-in 8 function calculator Built-in 8 function calculator
Moisture guards Packs of 5. Each moisture guard covers the entire top surface of the device Packs of 2. Can either be purchased to cover the entire top surface of the device or just the keyboard Packs of 2. Covers the entire top surface of the device
Backup options PC Windows 95/98/2000/XP or Macintosh OS 8.6 or higher. Can be easily backed up to a computer using a USB cable or a memory stick PC Windows 95/98/2000/XP. Can be backed up to a computer using modem emulation and a serial cable PC Windows 95/98/2000/XP. Can be backed up to a computer using modem emulation and a serial cable
Carry bag available Yes Yes Yes
External devices Can plug in some 3rd party printers, external speakers Mini-printer, external display, external speaker. Can plug in some 3rd party printers, external speakers Mini-printer, external display, external speaker. Can plug in some 3rd party printers, external speakers
Access
Scan module Available in different key layouts. Scanning overlay plugged into the USB port and fits over the regular keyboard but still allows direct access through the keyboard Scanning module plugged into the serial port on the Lightwriter and often mounted separately This is a scanning unit only, but does come with external keyboard for setup and programming
Switch access Single and two-switch access Single and two-switch access Single and two-switch access
Morse code Yes Yes Yes
QWERTY keyboard Available for direct access and scanning Available for direct access and scanning Available for direct access (with external keyboard) and scanning
ABC keyboard Available for scanning Optional Available for scanning
Optimised keyboard for scanning Available for scanning Available for scanning Available for scanning
Expanded keyboards DynaWrite has a full-size keyboard Several options available N/A
Keyguard Standard metal keyguard Deep keyguard is available N/A
Interfaces
Switch ports 2 2 2
Other ports 2 type A or rectangular USB ports, one type B or square USB port, headphone/speaker socket 2 serial ports, headphone/speaker socket 2 serial ports, headphone/speaker socket
Speaker port Can be used to provide private auditory scanning, to prepare a talk privately or to amplify the output of the device Can be used to amplify the output of the device Can be used to amplify the output of the device
Computer control A USB cable or the infrared receiver the AccessIT can be connected to a computer allowing the DynaWrite to function as the computer keyboard No No
Environmental control Inbuilt learning infrared unit can be programmed to control devices which have their own remote control. e.g.: most TV's, VCR's etc. No No
Rate enhancement features
Audio feedback for key press For the one finger typist. Allows two keys to be pressed in sequence instead of together Not required as there are no sequences which require holding down two keys Not required as there are no sequences which require holding down two keys
Adjustable repeat delay To accommodate tremor or mis-hits To accommodate tremor or mis-hits N/A
Word prediction Up to 5 words displayed either at the bottom or the side of the screen One word displayed in-line as the user types 4 or 8 words displayed on the side of the screen
Ability to edit word prediction list Yes No No
Spell check Highlights each word and offers correct version No No
Chat mode/Second conversation Allows the user to swap quickly from writing to giving a quick response if needed Allows the user to swap quickly from writing to giving a quick response if needed Allows the user to swap quickly from writing to giving a quick response if needed
Abbreviation expansion Allows the user to store phrases and messages under a letter code for quick access Allows the user to store phrases and messages under a letter code for quick access Allows the user to store phrases and messages under a letter code for quick access
Word morphology Brings up a range of word endings for a typed word. e.g.: good/better, best, goods etc. No No
Reminders Reminders can be programmed to appear on the screen at set times No No
File management Multiple files can be stored on the device No No
Memos No Memos of up to 250 characters each can be stored on each letter of the keyboard Memos of up to 250 characters each can be stored on each letter of the keyboard
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